Oregon Field Guide

Threatened Oregon Silverspot Butterfly

By Ed Jahn (OPB)
Feb. 13, 2018 3:15 p.m.
An Oregon native butterfly has been federally listed as a threatened species for 30 years. For decades, scientists have worked to augment the wild population with captive-reared butterflies, but the needle has hardly moved. Can a new emphasis on prairie restoration help?
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